Implement basic ui

Changes:

 - Clean up code to use Qt coding style
 - Add comments to some methods
 - Add debugtools to have debug_msg() and debug_err() macros
 - New Serializer class header to save / load data
 - MetadataDialog: check validity of metadata
 - MainWindow: initial code for `tool' buttons to edit the structogram
 - MainWindow: open / save dialog

1 files changed, 27 insertions, 0 deletions

diff --git a/include/debugtools.h b/include/debugtools.h
new file mode 100644
index 0000000..cd6940b
--- /dev/null
+++ b/include/debugtools.h
@@ -0,0 +1,27 @@
+#ifndef DEBUGTOOLS_H
+#define DEBUGTOOLS_H
+
+#ifdef QT_NO_DEBUG
+
+void debug_msg(...) {}
+void debug_err(...) {}
+
+#else
+#include <iostream>
+
+#define debug_msg(msg) \
+do { \
+    std::cout << "DEBUG [" \
+              << __FILE__ << " @ " << __LINE__ \
+              << "]: " << msg << std::endl; \
+} while (0)
+
+#define debug_err(msg) \
+do { \
+    std::cerr << "ERROR [" \
+              << __FILE__ << " @ " << __LINE__ \
+              << "]: " << msg << std::endl; \
+} while (0)
+
+#endif // QT_NO_DEBUG
+#endif // DEBUGTOOLS_H